CaptiveAire TH109 User Manual
The T109 is intended for applications that need a rugged,
robust design.
Typical Applications:
w Warehouses
w Animal Confinement
w Greenhouses
w Industrial and Commercial
Application Notes:
w Temperature Range: 40°-100°F (4°-38°C)
w Max. Ambient Temperature: 140°F (60°C)
w Thermostat Operation: 2 SPDT switches
w Stage Separation: 3°F
w Conduit connection: ½” conduit size
provides for UL listed rain tight cord seal or conduit hub.
w Meets: NEMA 4X
NEC Article 547-4
UL and CSA
w Staging: Brown/Pink switches to Brown/Blue @ set point
Black Red switches to Black/Violet @ 3°F above
set point.
The T109 has a 2-piece molded enclosure with all exposed
metal parts of stainless steel. When installed with NEMA 4X
connectors, this unit provides a rugged and weatherproof
construction for harsh indoor or outdoor environments.
TH109
Application Guide
7.34 IN
18.64 CM
3.46 IN
8.79 CM
4.89 IN
12.42 CM
TH109-009 Wiring Diagram
See page 2 for specific applications
L1
BROWN
PINK
L1
BLACK
RED
BLUE
LOW STAGE HEAT
VIOLET
HIGH STAGE COOL
HIGH STAGE HEAT
LOW STAGE COOL
L2 OR NEUTRAL
LT
A ½”conduit opening is located on the end of the
enclosure. With cover and NEMA 4X conduit
fittings (not included) properly installed, this
enclosure will meet NEMA 4X raintight ratings.
RATINGS
VAC
120 16.0
208 13.2
240 12.0
277 10.0
INDUCTIVE
FLA LRA
Suitability for 24 VAC Operation
80.0
66.0
60.0
50.0
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RESISTIVE
AMPS
25
25
25
22
125 VA
125 VA
125 VA
125 VA
PILOT
DUTY
© COPYRIGHT 2007 PECO, INC. ALL RIGHTS RESERVED Rev 0 10/07 Page 1
TWO SPEED COOLING EQUIPMENT
TWO SPEED HEATING EQUIPMENT
L1
CAN BE TIED TO A LOUVER
BROWN
PINK
BLUE
OR CURTAIN CONTROL
BLACK
TEMP RISE
VIOLET
RED
L2 OR NEUTRAL
HIGH COOL
LOW COOL
TWO STAGE COOLING EQUIPMENT
L1
BROWN
TEMP RISE
L1
BLACK
L2 OR NEUTRAL
L1
BROWN
PINK
BLUE
RED
BLACK
VIOLET
TEMP RISE
LOW HEAT
HIGH HEAT
L2 OR NEUTRAL
TWO STAGE HEATING EQUIPMENT
L1
BROWN
TEMP RISE
L1
BLACK
L2 OR NEUTRAL
PINK
RED
BLUE
VIOLET
SECOND STAGE COOL
FIRST STAGE COOL
AUTO-CHANGEOVER CONTROL
1 Heat / 1 Cool with 3°F dead band
L1
BROWN
TEMP RISE
PINK
BLUE
L1
BLACK
L2 OR NEUTRAL
VIOLET
RED
COOLING LOAD
HEATING LOAD
PINK
BLUE
SECOND STAGE HEAT
VIOLET
RED
FIRST STAGE HEAT
WARNING
READ THE INSTALLATION INSTRUCTIONS
h
CAREFULLY BEFORE ATTEMPTING TO INSTALL,
OPERATE OR SERVICE THIS THERMOSTAT.
Failure to observe safety information and comply with
h
instructions could result in PERSONAL INJURY,
DEATH AND/OR PROPERTY DAMAGE.
To avoid electrical shock or damage to equipment,
h
disconnect power before installing or servicing.
To avoid potential fire and/ or explosion do not use in
h
potentially flammable or explosive atmospheres.
Retain the instructions for future reference. This
h
product, when installed, will be part of an engineered
system whose specifications and performance
characteristics are not designed or controlled by
PECO. You must review your application and national
and local codes to assure that your installation will be
functional and safe.
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© COPYRIGHT 2007 PECO, INC. ALL RIGHTS RESERVED Page 2Rev 0 10/07
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